Patents by Inventor Thomas Gustavsson

Thomas Gustavsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11984949
    Abstract: There is provided mechanisms for beamformed transmission using a precoder. A method is performed by a radio transceiver device. The radio transceiver device comprises hardware. The hardware impacts transmission of signals from the radio transceiver device. The method comprises acquiring channel conditions of a radio propagation channel between the radio transceiver device and at least one other radio transceiver device. The method comprises determining a precoder, in form of a linear precoding matrix, for beamformed transmission towards the at least one other radio transceiver device. The precoder is determined according to the channel conditions and a model of how the hardware impacts the transmission of signals from the radio transceiver device. The method comprises transmitting, using the precoder, a signal towards the at least one other radio transceiver device.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: May 14, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Jacobsson, Sina Rezaei Aghdam, Thomas Eriksson, Hamed Farhadi, Ulf Gustavsson
  • Patent number: 11959361
    Abstract: The invention relates to a pneumatically operated drill hammer, comprising a piston and a distributor axially arranged relative to each other in a housing, the piston being arranged to be moved axially between a first position and a second position. The drill hammer further includes a pneumatic drive system, including a drive chamber, a return chamber and a plurality of channels for distribution of drive gas in said drive system. The return chamber is arranged at a lower side of the piston and the drive chamber is arranged at an upper side of the piston, wherein the drive chamber is defined by a variable space enclosed by at least the housing, the piston and the distributor. The drive chamber includes at least one inlet port and at least one exhaust port arranged at a circumference of the drive chamber.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 16, 2024
    Assignee: EPIROC DRILLING TOOLS AKTIEBOLAG
    Inventors: Per-Anders Karlsson, Thomas Lilja, Ernst Arne Johan Bram, Magnus Gustavsson
  • Patent number: 6260650
    Abstract: An apparatus for inducing seat belt usage by the driver of a vehicle, said apparatus comprising: a seat belt, said seat belt carrying a seat belt buckle, a latching clasp for releasable engagement of said buckle and a presence detector for acknowledging when said buckle is engaged in said latching clasp.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: July 17, 2001
    Assignee: Volvo Lastvagnar AB
    Inventor: Thomas Gustavsson